№ lp_2_1_12970
Educational science text presenting definitions and explanations of ecosystems, organism classifications, feeding relationships and biological interactions, followed by review questions.
Subject: Ecology
Topic: Ecosystem
Type of document: Educational text
Content type: Explanatory notes with practice questions
Key concepts: Producers, Consumers, Decomposers
Ecological relationships: Symbiosis, Commensalism, Parasitism, Saprophytism
Ecological structures: Food chain, Food web, Food pyramid
Examples included: Grass–Grasshopper–Hen; Hermit crab and sea anemone; Cattle and egret
Intended level: Basic science education
Price: 8 / 10 USD
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